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y2038: socket: use __kernel_old_timespec instead of timespec

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The 'timespec' type definition and helpers like ktime_to_timespec()
or timespec64_to_timespec() should no longer be used in the kernel so
we can remove them and avoid introducing y2038 issues in new code.

Change the socket code that needs to pass a timespec to user space for
backward compatibility to use __kernel_old_timespec instead.  This type
has the same layout but with a clearer defined name.

Slightly reformat tcp_recv_timestamp() for consistency after the removal
of timespec64_to_timespec().

Acked-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2019-10-25 22:04:46 +02:00
parent 0309f98f2f
commit df1b4ba9d4
4 changed files with 23 additions and 16 deletions
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2
net/socket.c
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@ -793,7 +793,7 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMPNS_NEW,
sizeof(ts), &ts);
} else {
struct timespec ts;
struct __kernel_old_timespec ts;
skb_get_timestampns(skb, &ts);
put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMPNS_OLD,